.nav a {
    color: #fdfffe;
    padding: 0 10px 10px 10px;

}
.nav {
    list-style: none;
    height: 30px;
    border-bottom: 10px solid black;
    border-top:8px solid black;
    margin-top: 15px;
    font-weight: bold;
    /*margin-left: 50px;*/
}

.nav ul{
    width: 564px;
}

.nav li {
    float:left;
}
.nav li a {
    display:block;
    height:30px;
    /*text-align:center;*/
    line-height:30px;
    background:black;
    margin-left:10px;
}
/*.nav li a.on, */
.nav li a:hover {
    color: #67b803;
    padding: 0 10px 10px 10px;
    border-bottom: 3px solid #67b803;
}